May is coming to Strasbourg, where the European Parliament and the European Commission meet this week, for talk with the head of the latter, Jean-Claude Juncker.
The backstop would keep Britain in a customs union with the EU if and until another way - such as a new trade deal - could be found to avoid checks on the Irish border.
She has also been trying to win over Labour MPs from leave-voting constituencies with a 1.6 billion pounds ($2.1bn) fund and promises of more workers' rights.
And chances are that will also succeed, regardless of May winning tomorrow's provisional vote or not.
"I think we all need to support the prime minister", Leadsom said in an interview.
"There is a widely held view that the United Kingdom has not been negotiating in good faith over the last few days", he said, adding that at least one diplomat had mentioned planning for a "post-Theresa May government".
Britain's Parliament is due to vote Tuesday on the withdrawal agreement, which it has already rejected once.
Prime Minister Theresa May leaves 10 Downing Street to attend the weekly Prime Ministers Questions. "China trade deal", he said in a note.
"If easyJet's European Union ownership remains below the required level in the weeks prior to a "no-deal" Brexit, the Board stands ready to suspend shareholders' voting rights in respect of a small number of shares, until the ownership reaches the required level, to ensure that easyJet continues to comply with the European Union requirement following Brexit", the carrier said last month.
Tottenham Hotspur ace Son Heung-min's impressive record vs. Borussia Dortmund
Kane scored in the 49th minute against Borussia Dortmund for a club record 24th goal in European competitions. Over the course of the two legs against Borussia Dortmund , Jan Vertonghen took the blows and did it his way.
MPs then voted to ask May to seek changes to the most controversial element, the backstop arrangement meant to avoid a hard border between Northern Ireland and the Republic after Brexit.
"The situation is very fluid but the market is perceiving hard Brexit scenarios as increasingly unlikely", said Vassili Serebriakov, a macro strategist at UBS Securities LLC in NY.
The third, another referendum on Brexit, has lost momentum in recent weeks, but that campaign could be reenergized if Brexit is postponed this week - not least because the minister in charge of Brexit has held talks with lawmakers in favor of a second referendum in the past few days.
The airline is to put plans in place to protect themselves from a no-deal and wants to ensure they will remain a majority European Union controlled and owned airline.
Some lawmakers are telling May to pull the vote because they expect a defeat on a similar scale as on her first attempt in January, the Times reported.
European Commission spokesman Margaritis Schinas said it was up to the British parliament to take important decisions on Brexit this week.
Parliament in the United Kingdom is set to vote on Prime Minister Theresa May's Brexit deal Tuesday.
If she fails, lawmakers are expected to force May to seek a delay to Brexit which some say could see the 2016 decision to leave the bloc reversed.
But MPs rejected it in January by a massive 432 votes to 202, with many of May's Conservatives rebelling against her.
Delaying the meaningful vote would be another humiliation for the prime minister after senior ministers spent the weekend insisting it would go ahead as planned.